Old Hwy M28, Trout Creek, MI 49967 · Ontonagon County · Publicly Owned Treatment Works
Interior Twp Wwsl is a publicly owned wastewater treatment plant in Trout Creek, Ontonagon County, Michigan treating an average of 0.32 million gallons per day, serving about 332 residents. It discharges under NPDES permit MIG580218 (administratively continued), which expires in April 2024, with 5 recorded violations in the last three years.
One treatment structure or unit process identified at Interior Twp Wwsl.
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See the full treatment train at Interior Twp Wwsl: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
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Names, validated emails and direct phone numbers for decision-makers at Interior Twp Wwsl, plus the full compliance history and discharge data.
Ewen · 14 mi away
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Watersmeet · 16 mi away
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Watersmeet · 17 mi away
1.23 MGD
Mass City · 19 mi away
1.7 MGD
Rockland · 19 mi away
0.75 MGD
Bergland · 27 mi away
0.97 MGD
Baraga · 30 mi away
2.91 MGD
Marenisco · 34 mi away
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Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed October 26, 2026; facility record last updated February 15, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms